Home / 12,447,441.80-18,671,162.70-2,991,825.80

Finding the Fourth Proportional to 12,447,441.80, 18,671,162.70 and 2,991,825.80

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Solution

The fourth proportional to 12,447,441.80, 18,671,162.70 and 2,991,825.80 is: 4,487,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,441.80 : 18,671,162.70 = 2,991,825.80 : x
  2. Step 2: Convert to fraction form
    12,447,441.80/18,671,162.70 = 2,991,825.80/x
  3. Step 3: Cross multiply
    12,447,441.80x = 18,671,162.70 × 2,991,825.80
  4. Step 4: Simplify right side
    12,447,441.80x = 55,860,866,281,857.66
  5. Step 5: Solve for x
    x = 55,860,866,281,857.66/12,447,441.80
  6. Step 6: Final answer
    x = 4,487,738.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.